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Astell & Kern AK70

Catalogue
Astell & Kern AK70
MP3 Player - Portable Hi-Fi audio system, 3.3" AMOLED touchscreen, single Cirrus Logic CS4398 converter, WiFi, Bluetooth, symmetrical output, music streaming, can be used as an external DAC, supports WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, and DSF, 64GB internal memory + microSD of up to 128GB
The product is localised for SK
Code:  JV556c Product Number:  8809440333233

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Astell & Kern AK70

The Astell & Kern AK70 is a small and lightweight portable FLAC player that lets you listen to high-resolution audio anytime, anywhere. Inside its rugged aluminium body, you will find the most advanced components and technology currently available. To take care of the faithful, naturally colourful sound, a single Cirrus Logic CS4398 D/A converter is used. This allows the AK70 to play back 24bit 192kHz signals into bit-to-bit type. 

Key features

  • The Cirrus Logic CS4398 converter supports 192 kHz / 24-bit audio
  • Supports 32-bit signal
  • DSD 64/128 can be played back through conversion to PCM
  • Digital input for use as an external DAC with a computer
  • Wide range of wireless streaming possibilities through the AK Connect application
  • Internal memory of 64GB + Micro SD of up to 128GB
  • Aluminium body in mint colour
  • Digital output USB-OTG (USB Audio)
     

Top audio quality in a portable device

The AK70 can be used as an external sound card by connecting with a PC/Mac through the USB port. That eliminates all the problems that can occur when you want to play back DSD data with a standard embedded sound card. In the case of using the AK70 as a USB DAC, it can support up to 24-bit 96 kHz bit to bit, providing much richer sound through superior ambience and resolution way beyond the limits of an embedded sound card.

Additional information:

Material:
Aluminium

Display:
Touchscreen, 3.3'' WVGA (480 x 800)

Supported formats:
WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF

sampling:
PCM 8 kHz ~ 192 kHz (8/16 / 24bits per Sample)
DSD: DSD64, Stereo / DSD128, Stereo

Output level:
Unbalanced 2.3 Vrms / Symmetrical 2.3 Vrms

D / A converter:
Cirrus Logic CS4398 x1

Decoding:
24 bit / 192 kHz Bit to Bit

Inputs:
USB Micro-B (charging and data transfer from PC / MAC)

Outputs:
Headphones (3.5mm) / Balanced output (2.5mm)

Frequency range:
±0.075 dB (20 Hz - 20 kHz) Symmetrical + Unbalanced
±0.56 dB (10 Hz - 70 kHz) Unbalanced, ± 0.55 db Symmetrical

Signal / noise ratio:
116 dB @ 1kHz, Unbalanced / 116 dB @ 1kHz, Symmetrical

Crosstalk:
130 dB @ 1kHz, Unbalanced / 130 dB @ 1kHz, Symmetrical

Distortion:
0.0008% @ 1kHz, Unbalanced / 0.0007% @ 1kHz, Symmetrical

SMPTE IMD:
0.0007% 800Hz 10kHz (4: 1) Unbalanced / 0.0006% 800Hz 10kHz (4: 1) Symmetrical

Output Impedance:
Balanced output 2.5 mm (1Ohm) / Headphone 3.5 mm (2 Ohm)
           
Clock:
Clock jitter of 50 ps

Battery:
3.7V 2200 mAh Li-Polymer

Internal memory:
64 gigabytes (NAND)

External memory:
MicroSD (Max 128 gigabytes) x1

Operating system:
Windows XP, Windows 7.8 (32 / 64bit), Mac OS X 10.7 or higher

WiFi:
802.11 b / g / n (second4GHz)

Bluetooth:
V4.0

Dimensions:
60 × 97 × 13 mm

Weight:
132 g

Specifications can be changed without notice. Images are for illustrative purposes only.

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